/*
 * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.otter.shared.arbitrate.impl.config;

import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;

/**
 * 配置获取注册接口
 *
 * @author jianghang 2011-11-3 上午10:19:50
 * @version 4.0.0
 */
public class ArbitrateConfigRegistry {

    private static volatile ArbitrateConfig config;

    private static ConfigurableListableBeanFactory beanFactory;


    public static void registry(ArbitrateConfig config) {
        ArbitrateConfigRegistry.config = config;
    }

    public static void unRegistry(ArbitrateConfig config) {
        ArbitrateConfigRegistry.config = config;
    }

    public static ArbitrateConfig getConfig() {

        if (config == null){
            synchronized (ArbitrateConfigRegistry.class){
                if (config == null){
                    beanFactory.getBean(ArbitrateConfig.class);
                }
            }
        }

        return config;
    }

    public static void setBeanFactory(ConfigurableListableBeanFactory beanFactory){
        ArbitrateConfigRegistry.beanFactory = beanFactory;
    }

    public static void autowire(Object obj) {
        // 重新注入一下对象
        beanFactory.autowireBeanProperties(obj,
                AutowireCapableBeanFactory.AUTOWIRE_BY_NAME,
                false);
    }


    public static <T> T getBean(Class<T> clazz) {
        return beanFactory.getBean(clazz);
    }
}
